package com.company.mtp.test.engine.impl;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import com.company.mtp.test.engine.api.EngineStatus;
import com.company.mtp.test.engine.api.TestCase;
import com.company.mtp.test.engine.api.TestEngine;
import com.company.mtp.test.engine.api.TestResult;

/**
 * Appium测试引擎实现
 * 支持Android和iOS平台的移动应用自动化测试
 * 
 * @author mtp
 */
@Component("appiumEngine")
public class AppiumEngine implements TestEngine {
    
    private static final Logger log = LoggerFactory.getLogger(AppiumEngine.class);
    
    private static final String ENGINE_NAME = "Appium";
    private static final String ENGINE_VERSION = "2.0.0";
    private static final List<String> SUPPORTED_PLATFORMS = Arrays.asList("Android", "iOS");
    
    private Map<String, Object> config;
    private EngineStatus status = EngineStatus.STOPPED;
    
    @Override
    public String getName() {
        return ENGINE_NAME;
    }
    
    @Override
    public String getVersion() {
        return ENGINE_VERSION;
    }
    
    @Override
    public List<String> getSupportedPlatforms() {
        return SUPPORTED_PLATFORMS;
    }
    
    @Override
    public void initialize(Map<String, Object> config) {
        log.info("初始化Appium测试引擎，配置: {}", config);
        this.config = new HashMap<>(config);
        
        try {
            // 这里实现Appium服务器的初始化逻辑
            // 例如：检查Appium服务器是否可用，设置必要的环境变量等
            
            // 模拟初始化过程
            Thread.sleep(1000);
            
            status = EngineStatus.READY;
            log.info("Appium测试引擎初始化成功");
        } catch (Exception e) {
            status = EngineStatus.ERROR;
            log.error("Appium测试引擎初始化失败: {}", e.getMessage(), e);
            throw new RuntimeException("Appium测试引擎初始化失败", e);
        }
    }
    
    @Override
    public EngineStatus getStatus() {
        return status;
    }
    
    @Override
    public TestResult executeTest(TestCase testCase) {
        log.info("执行测试用例: {}, 平台: {}", testCase.getName(), testCase.getPlatform());
        
        if (status != EngineStatus.READY) {
            log.error("Appium测试引擎未就绪，当前状态: {}", status);
            return TestResult.builder()
                    .testCaseId(testCase.getId())
                    .status("FAILED")
                    .errorMessage("测试引擎未就绪")
                    .build();
        }
        
        try {
            status = EngineStatus.RUNNING;
            
            // 这里实现Appium测试执行逻辑
            // 例如：创建Appium会话，执行测试步骤，收集测试结果等
            
            // 模拟测试执行过程
            Thread.sleep(2000);
            
            // 构建测试结果
            TestResult result = TestResult.builder()
                    .testCaseId(testCase.getId())
                    .status("PASSED")
                    .startTime(System.currentTimeMillis() - 2000)
                    .endTime(System.currentTimeMillis())
                    .platform(testCase.getPlatform())
                    .deviceInfo(Map.of(
                            "deviceName", config.getOrDefault("deviceName", "未知设备"),
                            "platformVersion", config.getOrDefault("platformVersion", "未知版本")
                    ))
                    .screenshots(List.of("/screenshots/test1_step1.png", "/screenshots/test1_step2.png"))
                    .build();
            
            status = EngineStatus.READY;
            log.info("测试用例执行完成: {}, 结果: {}", testCase.getName(), result.getStatus());
            return result;
            
        } catch (Exception e) {
            status = EngineStatus.ERROR;
            log.error("测试用例执行失败: {}", e.getMessage(), e);
            
            return TestResult.builder()
                    .testCaseId(testCase.getId())
                    .status("FAILED")
                    .errorMessage(e.getMessage())
                    .stackTrace(Arrays.toString(e.getStackTrace()))
                    .build();
        }
    }
    
    @Override
    public CompletableFuture<TestResult> executeTestAsync(TestCase testCase) {
        return CompletableFuture.supplyAsync(() -> executeTest(testCase));
    }
    
    @Override
    public void shutdown() {
        log.info("关闭Appium测试引擎");
        
        try {
            // 这里实现Appium服务器的关闭逻辑
            // 例如：关闭Appium会话，释放资源等
            
            // 模拟关闭过程
            Thread.sleep(500);
            
            status = EngineStatus.STOPPED;
            log.info("Appium测试引擎已关闭");
        } catch (Exception e) {
            status = EngineStatus.ERROR;
            log.error("Appium测试引擎关闭失败: {}", e.getMessage(), e);
        }
    }
}